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United States Patent | 5,022,205 |
Ford | June 11, 1991 |
A structural, thermal barrier, architectural extrusion incorporating a rigid backbone which is embedded with the thermal break material in order to minimize relative longitudinal movement between the thermal break material and the extrusion.
Inventors: | Ford; Jeffrey R. (Oshtemo Township, Kalamazoo County, MI) |
Assignee: | Azon Systems, Inc. (Kalamazoo, MI) |
Appl. No.: | 467956 |
Filed: | January 22, 1990 |
Current U.S. Class: | 52/309.16; 52/309.14; 52/309.7; 52/309.9; 52/730.3; 52/730.6 |
Intern'l Class: | E04C 001/40 |
Field of Search: | 52/730,402,309.14,309.7,309.9,309.8,309.16,393,403 |
3191727 | Jun., 1965 | Schmeltz et al. | 49/DIG. |
3823524 | Jul., 1974 | Weinstein | 52/403. |
4067163 | Jan., 1978 | Hetman | 52/403. |
4128934 | Dec., 1978 | Doring | 52/730. |
4395862 | Aug., 1983 | Jager et al. | |
4463540 | Aug., 1984 | Gordon | 52/403. |
4619097 | Oct., 1986 | Trummer et al. | |
4841700 | Jun., 1989 | Matthews. | |
Foreign Patent Documents | |||
2543969 | Apr., 1977 | DE | 52/309. |
2639966 | Mar., 1978 | DE | 52/309. |
890513 | Feb., 1962 | GB | 52/309. |